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If f(x)=x²+2x-3 and g(x)=x²-9, find (f/g) 4 and (f+g)(4)
1 answer:
Answer:
3 and 28
Step-by-step explanation:
note ( )(x ) =
= and
( )(4) = = = = 3
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(f + g)(x) = f(x) + g(x)
f(x) + g(x)
= x² + 2x - 3 + x² - 9 = 2x² + 2x - 12 and
(f + g)(4) = 2(4)² + 2(4) - 12 = 2(16) + 8 - 12 = 32 + 8 - 12 = 28
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Hope this helped
Happy Holidays!
I’m pretty sure the slope is -1/2